mahbot 0.9.0

An autonomous agentic engineering system that manages software development through role separation, subagents, and deterministic diagnostics.
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//! Layout-independent clipboard shortcuts for widgets we do not own.
//!
//! A widget that matches `keyboard::Key::Character("c")` matches the character
//! the active layout produces, so Ctrl/Cmd+C does nothing under a Cyrillic (or
//! any other non-Latin) layout. iced's own widgets translate the key through
//! `Key::to_latin(physical_key)`; this wrapper applies the same translation to
//! the events a third-party widget receives while a command/control shortcut is
//! held, so the terminal behaves exactly as it does under an English layout.
//! Keys without that modifier are passed through untouched — typing is never
//! affected.

use std::borrow::Cow;

use iced::advanced::widget::tree::{self, Tree};
use iced::advanced::{Clipboard, Layout, Shell, Widget, layout, mouse, renderer};
use iced::keyboard;
use iced::{Element, Event, Length, Rectangle, Size};

/// Show `content` with clipboard shortcuts matched on the physical key.
pub(crate) fn latin_shortcuts<'a, M: 'a>(content: impl Into<Element<'a, M>>) -> Element<'a, M> {
    Element::new(LatinShortcuts {
        content: content.into(),
    })
}

struct LatinShortcuts<'a, M> {
    content: Element<'a, M>,
}

/// The same event with a shortcut key translated to its latin character.
fn normalize(event: &Event) -> Cow<'_, Event> {
    let Event::Keyboard(keyboard::Event::KeyPressed {
        key,
        physical_key,
        modifiers,
        ..
    }) = event
    else {
        return Cow::Borrowed(event);
    };
    if !modifiers.command() {
        return Cow::Borrowed(event);
    }
    let Some(latin) = key.to_latin(*physical_key) else {
        return Cow::Borrowed(event);
    };
    let mut rewritten = event.clone();
    if let Event::Keyboard(keyboard::Event::KeyPressed { key, .. }) = &mut rewritten {
        *key = keyboard::Key::Character(latin.to_string().into());
    }
    Cow::Owned(rewritten)
}

impl<Message> Widget<Message, iced::Theme, iced::Renderer> for LatinShortcuts<'_, Message> {
    fn tag(&self) -> tree::Tag {
        self.content.as_widget().tag()
    }

    fn state(&self) -> tree::State {
        self.content.as_widget().state()
    }

    fn children(&self) -> Vec<Tree> {
        self.content.as_widget().children()
    }

    fn diff(&self, tree: &mut Tree) {
        self.content.as_widget().diff(tree);
    }

    fn size(&self) -> Size<Length> {
        self.content.as_widget().size()
    }

    fn size_hint(&self) -> Size<Length> {
        self.content.as_widget().size_hint()
    }

    fn layout(
        &mut self,
        tree: &mut Tree,
        renderer: &iced::Renderer,
        limits: &layout::Limits,
    ) -> layout::Node {
        self.content.as_widget_mut().layout(tree, renderer, limits)
    }

    fn operate(
        &mut self,
        tree: &mut Tree,
        layout: Layout<'_>,
        renderer: &iced::Renderer,
        operation: &mut dyn iced::advanced::widget::Operation,
    ) {
        self.content
            .as_widget_mut()
            .operate(tree, layout, renderer, operation);
    }

    fn update(
        &mut self,
        tree: &mut Tree,
        event: &Event,
        layout: Layout<'_>,
        cursor: mouse::Cursor,
        renderer: &iced::Renderer,
        clipboard: &mut dyn Clipboard,
        shell: &mut Shell<'_, Message>,
        viewport: &Rectangle,
    ) {
        self.content.as_widget_mut().update(
            tree,
            &normalize(event),
            layout,
            cursor,
            renderer,
            clipboard,
            shell,
            viewport,
        );
    }

    fn draw(
        &self,
        tree: &Tree,
        renderer: &mut iced::Renderer,
        theme: &iced::Theme,
        style: &renderer::Style,
        layout: Layout<'_>,
        cursor: mouse::Cursor,
        viewport: &Rectangle,
    ) {
        self.content
            .as_widget()
            .draw(tree, renderer, theme, style, layout, cursor, viewport);
    }

    fn mouse_interaction(
        &self,
        tree: &Tree,
        layout: Layout<'_>,
        cursor: mouse::Cursor,
        viewport: &Rectangle,
        renderer: &iced::Renderer,
    ) -> mouse::Interaction {
        self.content
            .as_widget()
            .mouse_interaction(tree, layout, cursor, viewport, renderer)
    }

    fn overlay<'b>(
        &'b mut self,
        tree: &'b mut Tree,
        layout: Layout<'b>,
        renderer: &iced::Renderer,
        viewport: &Rectangle,
        translation: iced::Vector,
    ) -> Option<iced::advanced::overlay::Element<'b, Message, iced::Theme, iced::Renderer>> {
        self.content
            .as_widget_mut()
            .overlay(tree, layout, renderer, viewport, translation)
    }
}